Despite more than $15 billion in annual revenue and hefty profits, online travel agents like Priceline and Expedia Inc. are increasingly wary of Google encroaching on their turf. That's lifting tension with a sector that's one of Google's biggest advertisers.

At IIT-Bombay, the number of students picked by leading finance and consulting firms has reduced; it has shrunk from 16 to 13 as in the case with Goldman Sachs or nine to four from consulting firm BCG.